Li, Y.C.; Yao, K.L.; Liu, Z.L. - In: Physica A: Statistical Mechanics and its Applications 374 (2007) 1, pp. 173-178
By using the transfer matrix renormalization group method, we studied the magnetic and thermodynamic properties of the uniform and the nonuniform quantum Heisenberg spin chain with S=12. Compared with experiment results of some compounds, we investigated the effects of different interactions...